On Thu, May 16, 2024 at 2:02 PM Linus Torvalds <torva...@linux-foundation.org> wrote: > > On Wed, 15 May 2024 at 19:54, Dave Airlie <airl...@gmail.com> wrote: > > > > Here is the buddy allocator fix I picked up from the list, please apply. > > So I removed my reverts, and am running a kernel that includes the > merge 972a2543e3dd ("Merge tag 'drm-next-2024-05-16' of > https://gitlab.freedesktop.org/drm/kernel") but I still see a lot of > warnings as per below. > > I was going to say that the difference is that now they trigger > through the page fault path (amdgpu_gem_fault) while previously they > triggered through the system call path and amdgpu_drm_ioctl. But it > turns out it's both in both cases, and it just happened to be one or > the other in the particular warnings that I cut-and-pasted. > > As before, there are tens of thousands of them after being up for less > than an hour, so this is not some kind of rare thing. > > The machine hasn't _crashed_ yet, though. But I'm going to be out and > about and working on my laptop the rest of the day, so I won't be able > to test. > > (And that kernel version of "6.9.0-08295-gfd39ab3b5289" that is quoted > in the WARN isn't some official kernel, I have about ten private > patches that I keep testing in my tree, so if you wondered what the > heck that git version is, it's not going to match anything you see, > but the ~ten patches also aren't relevant to this). > > Nothing unusual in the config, although this is clang-built. Shouldn't > matter, never has before.
Can you try this patch? https://patchwork.freedesktop.org/patch/594539/ Alex > > Linus > > --- > CPU: 28 PID: 3326 Comm: mutter-x11-fram Tainted: G W > 6.9.0-08295-gfd39ab3b5289 #64 > Hardware name: Gigabyte Technology Co., Ltd. TRX40 AORUS MASTER/TRX40 > AORUS MASTER, BIOS F7 09/07/2022 > RIP: 0010:__force_merge+0x14f/0x180 [drm_buddy] > Code: 74 0d 49 8b 44 24 18 48 d3 e0 49 29 44 24 30 4c 89 e7 ba 01 00 > 00 00 e8 9f 00 00 00 44 39 e8 73 1f 49 8b 04 24 e9 25 ff ff ff <0f> 0b > 4c 39 c3 75 a3 eb 99 b8 f4 ff ff ff c3 b8 f4 ff ff ff eb 02 > RSP: 0000:ffff9e350314baa0 EFLAGS: 00010246 > RAX: ffff974a227a4a00 RBX: ffff974a2d024b88 RCX: 000000000b8eb800 > RDX: ffff974a2d024bf8 RSI: ffff974a2d024bd0 RDI: ffff974a2d024bb0 > RBP: 0000000000000000 R08: ffff974a2d024b88 R09: 0000000000001000 > R10: 0000000000000800 R11: 0000000000000000 R12: ffff974a2198fa18 > R13: 0000000000000009 R14: 0000000010000000 R15: 0000000000000000 > FS: 00007f56a78b6540(0000) GS:ffff97591e700000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 00007f5688040000 CR3: 0000000198cc9000 CR4: 0000000000350ef0 > Call Trace: > <TASK> > ? __warn+0xc1/0x190 > ? __force_merge+0x14f/0x180 [drm_buddy] > ? report_bug+0x129/0x1a0 > ? handle_bug+0x3d/0x70 > ? exc_invalid_op+0x16/0x40 > ? asm_exc_invalid_op+0x16/0x20 > ? __force_merge+0x14f/0x180 [drm_buddy] > drm_buddy_alloc_blocks+0x249/0x400 [drm_buddy] > ? __cond_resched+0x16/0x40 > amdgpu_vram_mgr_new+0x204/0x3f0 [amdgpu] > ttm_resource_alloc+0x31/0x120 [ttm] > ttm_bo_alloc_resource+0xbc/0x260 [ttm] > ? memcg_account_kmem+0x4a/0xe0 > ? ttm_resource_compatible+0xbb/0xe0 [ttm] > ttm_bo_validate+0x9f/0x210 [ttm] > ? __alloc_pages+0x129/0x210 > amdgpu_bo_fault_reserve_notify+0x98/0x110 [amdgpu] > amdgpu_gem_fault+0x53/0xd0 [amdgpu] > __do_fault+0x41/0x140 > do_pte_missing+0x453/0xfd0 > handle_mm_fault+0x73c/0x1090 > do_user_addr_fault+0x2e2/0x6f0 > exc_page_fault+0x56/0x110 > asm_exc_page_fault+0x22/0x30